دانلود مقاله انگلیسی رایگان:شناسایی و نقشه برداری از زمینهای وحشی در دانمارک - 2020
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  • Identifying and mapping terrons in Denmark Identifying and mapping terrons in Denmark
    Identifying and mapping terrons in Denmark

    سال انتشار:

    2020


    عنوان انگلیسی مقاله:

    Identifying and mapping terrons in Denmark


    ترجمه فارسی عنوان مقاله:

    شناسایی و نقشه برداری از زمینهای وحشی در دانمارک


    منبع:

    Sciencedirect - Elsevier - Geoderma, 363 (2020) 114174: doi:10:1016/j:geoderma:2020:114174


    نویسنده:

    Yi Penga,⁎, Yannik E. Roella, Anders Bjørn Møllera, Kabindra Adhikarib, Amélie Beuchera, Mette B. Grevea, Mogens H. Grevea


    چکیده انگلیسی:

    Spatial assessment of terroir is creating a new possibility for enhancement of high quality agro-food product and to minimize negative environmental effects such as soil degradation and associated risks. The classification and mapping of particular terroir units could be a competitive marketing tool with a major impact on farmers’ incomes. For this purpose, Carré and McBratney (2005) proposed the terron concept to establish combined soil and landscape entities as the first investigative step to identify terroirs. The main objective of the present work was to assemble various environmental factors (i.e. soil, terrain and climate), to identify and then to map terrons in Denmark. First, for representing soil factors, a national soil spectral library was utilized to measure taxonomic distances between 34 Danish reference soil profiles and the Danish national soil profile database (586 soil profiles). Second, the terrain and climate factors for each soil profile location were then compiled as represented by relative slope position, valley depth, valley bottom flatness, vertical distance to the channel network, number of frost days, annual number of growing days, global solar radiation, and precipitation. Third, nine Danish terron classes were established by fuzzy c-means clustering based on an integrated matrix including all soil, terrain and climate factors whereby each terron class is characterized by soil, terrain and climate as a whole entity. Finally, the spatial distribution of Danish terrons was mapped using Cubist regression rules. The results were compared with a soil map derived from the same profile database. We concluded that the map of terrons described natural environment quantitatively and formally in terms of soil, landscape and climatic information better than just a soil class or soil attribute map. Further investigations are needed to discover whether the terron classes give better predictions of landscape-dynamic processes and allow better management options than soil alone. This study also demonstrated several advantages of using soil spectral data and ancillary data to identify and map terrons. The next step will be to validate the terron map by incorporating crop yield data and social factors to delineate natural Danish terroir units.
    Keywords: Terron | Vis-NIR | Digital soil mapping | Soils | Terrain | Climate


    سطح: متوسط
    تعداد صفحات فایل pdf انگلیسی: 11
    حجم فایل: 3080 کیلوبایت

    قیمت: رایگان


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